Add configuration flag to enable/disable direct PgSQL MVT

config/environments/development.js.example

@@ -107,6 +107,9 @@ var config = {
       // Milliseconds since last access before renderer cache item expires
       cache_ttl: 60000,
       statsInterval: 5000, // milliseconds between each report to statsd about number of renderers and mapnik pool status
+      mvt: {
+        usePgSQL: false
+      },
       mapnik: {
           // The size of the pool of internal mapnik backend
           // This pool size is per mapnik renderer created in Windshaft's RendererFactory

config/environments/production.js.example

@@ -101,6 +101,9 @@ var config = {
       // Milliseconds since last access before renderer cache item expires
       cache_ttl: 60000,
       statsInterval: 5000, // milliseconds between each report to statsd about number of renderers and mapnik pool status
+      mvt: {
+        usePgSQL: false
+      },
       mapnik: {
           // The size of the pool of internal mapnik backend
           // This pool size is per mapnik renderer created in Windshaft's RendererFactory

config/environments/staging.js.example

@@ -101,6 +101,9 @@ var config = {
       // Milliseconds since last access before renderer cache item expires
       cache_ttl: 60000,
       statsInterval: 5000, // milliseconds between each report to statsd about number of renderers and mapnik pool status
+      mvt: {
+        usePgSQL: false
+      },
       mapnik: {
           // The size of the pool of internal mapnik backend
           // This pool size is per mapnik renderer created in Windshaft's RendererFactory

config/environments/test.js.example

@@ -100,6 +100,9 @@ var config = {
       // Milliseconds since last access before renderer cache item expires
       cache_ttl: 60000,
       statsInterval: 5000, // milliseconds between each report to statsd about number of renderers and mapnik pool status
+      mvt: {
+        usePgSQL: false
+      },
       mapnik: {
           // The size of the pool of internal mapnik backend
           // This pool size is per mapnik renderer created in Windshaft's RendererFactory

lib/cartodb/server.js

@@ -154,7 +154,8 @@ module.exports = function(serverOptions) {
             grainstore: serverOptions.grainstore,
             mapnik: serverOptions.renderer.mapnik
         },
-        http: serverOptions.renderer.http
+        http: serverOptions.renderer.http,
+        mvt: serverOptions.renderer.mvt
     });
 
     // initialize render cache

lib/cartodb/server_options.js

@@ -81,6 +81,7 @@ module.exports = {
         statsInterval: rendererConfig.statsInterval
     },
     renderer: {
+        mvt: rendererConfig.mvt,
         mapnik: _.defaults(rendererConfig.mapnik, {
             geojson: {
                 dbPoolParams: {